#C43A3A#C43A3A

#C43A3A is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.175 H 24.9°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C43A3A
RGB	rgb(196, 58, 58)
HSL	hsl(0, 54%, 50%)
HSV	hsv(0, 70%, 77%)
CMYK	cmyk(0%, 70.4%, 70.4%, 23.1%)
CIE-LAB	lab(45.73, 54.47, 32.09)
CIE-LCH	lch(45.73, 63.22, 30.51°)
OKLab	oklab(55.32% 0.1587 0.0738)
OKLCH	oklch(55.32% 0.175 24.9)
XYZ	xyz(25.0445, 15.0711, 5.5924)
Luminance	0.1507 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C43A3A #3AC4C4

analogous

#C43A7F #C43A3A #C47F3A

triadic

#C43A3A #3AC43A #3A3AC4

tetradic

#C43A3A #7FC43A #3AC4C4 #7F3AC4

square

#C43A3A #7FC43A #3AC4C4 #7F3AC4

split-complementary

#C43A3A #3AC47F #3A7FC4

monochromatic

#661E1E #952C2C #C43A3A #D36969 #E09898

Accessibility & contrast

On white

5.23

#C43A3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C43A3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C43A3A

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C43A3A	#FFFFFF	#000000	##FFFFFF
##C43A3A	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615939

Deuteranopia (green-blind)

#847736

Tritanopia (blue-blind)

#D7083C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c43a3a;
/* rgb */ color: rgb(196, 58, 58);
/* oklch */ color: oklch(55.3% 0.175 24.9);

Tailwind

colors: {
  custom: {
    50: '#de7970',
    500: '#c43a3a',
    950: '#000000',
  },
}

SCSS

$custom: #c43a3a;
$custom-light: #de7970;
$custom-dark: #000000;

JSON

{
  "hex": "#c43a3a",
  "rgb": {
    "r": 196,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55317,
    "c": 0.17501,
    "h": 24.9
  },
  "luminance": 0.15067
}

Semantic roles & 50–950 ramp

primary

#C43A3A

secondary

#8ECCCC

accent

#DEDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C43A3A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →